WORKPRO Retractable Utility Knife and Self-retracting Safety Box with 2 Extra Blades Included

Item Weight: ‎6.2 ounces Product Dimensions: 6 x 1.7 x 0.7 inches Color: ‎Silver Material: Aluminum Handle Material: ‎Aluminum Quick Change Blade Mechanism: Please follow the steps for changing the blades (Please be informed that blades are changed when the balde is in the 1st position) Press the button of the blade; Release the blade; Change the blades; Accepts all standard utility blades Retractable Safety Blade Mechanism: Blade retracts once it leaves the cutting surface when the blade is in the 4th position